RIB 1/4 inch NPT Male to 1/2 inch NPT Female Brass Pipe Fitting Reducer Adapter | Shopee Philippines
M14 Female to 1/2 inch 1/4 inch M10*1 Male Pressure Gauge Fittings,M20 Female to 1/2 inch 1/4 inch Male Pressure Gauge Adapter|Pipe Fittings| - AliExpress